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<p class="subTitle">org.apache.poi.util</p>
<h2 title="Class MethodUtils" class="title">Class MethodUtils</h2>
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<li>java.lang.Object</li>
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<li>org.apache.poi.util.MethodUtils</li>
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<pre>public class <strong>MethodUtils</strong>
extends java.lang.Object</pre>
<div class="block"><p> Utility reflection methods focussed on methods in general rather than properties in particular. </p>

 <h3>Known Limitations</h3>
 <h4>Accessing Public Methods In A Default Access Superclass</h4>
 <p>There is an issue when invoking public methods contained in a default access superclass.
 Reflection locates these methods fine and correctly assigns them as public.
 However, an <code>IllegalAccessException</code> is thrown if the method is invoked.</p>

 <p><code>MethodUtils</code> contains a workaround for this situation. 
 It will attempt to call <code>setAccessible</code> on this method.
 If this call succeeds, then the method can be invoked as normal.
 This call will only succeed when the application has sufficient security privilages. 
 If this call fails then a warning will be logged and the method may fail.</p></div>
<dl><dt><span class="strong">Author:</span></dt>
  <dd>Craig R. McClanahan, Ralph Schaer, Chris Audley, Rey Fran&#231;ois, Gregor Ra&#253;man, Jan Sorensen, Robert Burrell Donkin</dd></dl>
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<h3>Constructor Summary</h3>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#MethodUtils()">MethodUtils</a></strong>()</code>&nbsp;</td>
</tr>
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<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.reflect.Method</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#getAccessibleMethod(java.lang.Class, java.lang.reflect.Method)">getAccessibleMethod</a></strong>(java.lang.Class&nbsp;clazz,
                   java.lang.reflect.Method&nbsp;method)</code>
<div class="block">Return an accessible method (that is, one that can be invoked via
 reflection) that implements the specified Method.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.reflect.Method</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#getAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class)">getAccessibleMethod</a></strong>(java.lang.Class&nbsp;clazz,
                   java.lang.String&nbsp;methodName,
                   java.lang.Class&nbsp;parameterType)</code>
<div class="block">Return an accessible method (that is, one that can be invoked via
 reflection) with given name and a single parameter.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.reflect.Method</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#getAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])">getAccessibleMethod</a></strong>(java.lang.Class&nbsp;clazz,
                   java.lang.String&nbsp;methodName,
                   java.lang.Class[]&nbsp;parameterTypes)</code>
<div class="block">Return an accessible method (that is, one that can be invoked via
 reflection) with given name and parameters.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.reflect.Method</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#getAccessibleMethod(java.lang.reflect.Method)">getAccessibleMethod</a></strong>(java.lang.reflect.Method&nbsp;method)</code>
<div class="block">Return an accessible method (that is, one that can be invoked via
 reflection) that implements the specified Method.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;java.lang.reflect.Constructor&lt;T&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#getMatchingAccessibleConstructor(java.lang.Class, java.lang.Class[])">getMatchingAccessibleConstructor</a></strong>(java.lang.Class&lt;T&gt;&nbsp;clazz,
                                java.lang.Class[]&nbsp;parameterTypes)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.reflect.Method</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#getMatchingAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])">getMatchingAccessibleMethod</a></strong>(java.lang.Class&nbsp;clazz,
                           java.lang.String&nbsp;methodName,
                           java.lang.Class[]&nbsp;parameterTypes)</code>
<div class="block">Find an accessible method that matches the given name and has compatible parameters.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.Class</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#getPrimitiveType(java.lang.Class)">getPrimitiveType</a></strong>(java.lang.Class&nbsp;wrapperType)</code>
<div class="block">Gets the class for the primitive type corresponding to the primitive wrapper class given.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.Class</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#getPrimitiveWrapper(java.lang.Class)">getPrimitiveWrapper</a></strong>(java.lang.Class&nbsp;primitiveType)</code>
<div class="block">Gets the wrapper object class for the given primitive type class.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object)">invokeExactMethod</a></strong>(java.lang.Object&nbsp;object,
                 java.lang.String&nbsp;methodName,
                 java.lang.Object&nbsp;arg)</code>
<div class="block">Invoke a method whose parameter type matches exactly the object
 type.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[])">invokeExactMethod</a></strong>(java.lang.Object&nbsp;object,
                 java.lang.String&nbsp;methodName,
                 java.lang.Object[]&nbsp;args)</code>
<div class="block">Invoke a method whose parameter types match exactly the object
 types.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])">invokeExactMethod</a></strong>(java.lang.Object&nbsp;object,
                 java.lang.String&nbsp;methodName,
                 java.lang.Object[]&nbsp;args,
                 java.lang.Class[]&nbsp;parameterTypes)</code>
<div class="block">Invoke a method whose parameter types match exactly the parameter
 types given.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object)">invokeExactStaticMethod</a></strong>(java.lang.Class&nbsp;objectClass,
                       java.lang.String&nbsp;methodName,
                       java.lang.Object&nbsp;arg)</code>
<div class="block">Invoke a static method whose parameter type matches exactly the object
 type.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])">invokeExactStaticMethod</a></strong>(java.lang.Class&nbsp;objectClass,
                       java.lang.String&nbsp;methodName,
                       java.lang.Object[]&nbsp;args)</code>
<div class="block">Invoke a static method whose parameter types match exactly the object
 types.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])">invokeExactStaticMethod</a></strong>(java.lang.Class&nbsp;objectClass,
                       java.lang.String&nbsp;methodName,
                       java.lang.Object[]&nbsp;args,
                       java.lang.Class[]&nbsp;parameterTypes)</code>
<div class="block">Invoke a static method whose parameter types match exactly the parameter
 types given.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object)">invokeMethod</a></strong>(java.lang.Object&nbsp;object,
            java.lang.String&nbsp;methodName,
            java.lang.Object&nbsp;arg)</code>
<div class="block">Invoke a named method whose parameter type matches the object type.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[])">invokeMethod</a></strong>(java.lang.Object&nbsp;object,
            java.lang.String&nbsp;methodName,
            java.lang.Object[]&nbsp;args)</code>
<div class="block">Invoke a named method whose parameter type matches the object type.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])">invokeMethod</a></strong>(java.lang.Object&nbsp;object,
            java.lang.String&nbsp;methodName,
            java.lang.Object[]&nbsp;args,
            java.lang.Class[]&nbsp;parameterTypes)</code>
<div class="block">Invoke a named method whose parameter type matches the object type.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object)">invokeStaticMethod</a></strong>(java.lang.Class&nbsp;objectClass,
                  java.lang.String&nbsp;methodName,
                  java.lang.Object&nbsp;arg)</code>
<div class="block">Invoke a named static method whose parameter type matches the object type.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])">invokeStaticMethod</a></strong>(java.lang.Class&nbsp;objectClass,
                  java.lang.String&nbsp;methodName,
                  java.lang.Object[]&nbsp;args)</code>
<div class="block">Invoke a named static method whose parameter type matches the object type.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])">invokeStaticMethod</a></strong>(java.lang.Class&nbsp;objectClass,
                  java.lang.String&nbsp;methodName,
                  java.lang.Object[]&nbsp;args,
                  java.lang.Class[]&nbsp;parameterTypes)</code>
<div class="block">Invoke a named static method whose parameter type matches the object type.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#isAssignmentCompatible(java.lang.Class, java.lang.Class)">isAssignmentCompatible</a></strong>(java.lang.Class&nbsp;parameterType,
                      java.lang.Class&nbsp;parameterization)</code>
<div class="block">Determine whether a type can be used as a parameter in a method invocation.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.lang.Class</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/MethodUtils.html#toNonPrimitiveClass(java.lang.Class)">toNonPrimitiveClass</a></strong>(java.lang.Class&nbsp;clazz)</code>
<div class="block">Find a non primitive representation for given primitive class.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
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<h4>MethodUtils</h4>
<pre>public&nbsp;MethodUtils()</pre>
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<h4>invokeMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeMethod(java.lang.Object&nbsp;object,
                            java.lang.String&nbsp;methodName,
                            java.lang.Object&nbsp;arg)
                                     throws java.lang.NoSuchMethodException,
                                            java.lang.IllegalAccessException,
                                            java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a named method whose parameter type matches the object type.</p>

 <p>The behaviour of this method is less deterministic 
 than <code>invokeExactMethod()</code>.
 It loops through all methods with names that match
 and then executes the first it finds with compatable parameters.</p>

 <p>This method supports calls to methods taking primitive parameters 
 via passing in wrapping classes. So, for example, a <code>Boolean</code> class
 would match a <code>boolean</code> primitive.</p>

 <p> This is a convenient wrapper for
 <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[])"><code>invokeMethod(Object object,String methodName,Object [] args)</code></a>.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>arg</code> - use this argument</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
<a name="invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[])">
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<h4>invokeMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeMethod(java.lang.Object&nbsp;object,
                            java.lang.String&nbsp;methodName,
                            java.lang.Object[]&nbsp;args)
                                     throws java.lang.NoSuchMethodException,
                                            java.lang.IllegalAccessException,
                                            java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a named method whose parameter type matches the object type.</p>

 <p>The behaviour of this method is less deterministic 
 than <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[])"><code>invokeExactMethod(Object object,String methodName,Object [] args)</code></a>. 
 It loops through all methods with names that match
 and then executes the first it finds with compatable parameters.</p>

 <p>This method supports calls to methods taking primitive parameters 
 via passing in wrapping classes. So, for example, a <code>Boolean</code> class
 would match a <code>boolean</code> primitive.</p>

 <p> This is a convenient wrapper for
 <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeMethod(Object object,String methodName,Object [] args,Class[] parameterTypes)</code></a>.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
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<h4>invokeMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeMethod(java.lang.Object&nbsp;object,
                            java.lang.String&nbsp;methodName,
                            java.lang.Object[]&nbsp;args,
                            java.lang.Class[]&nbsp;parameterTypes)
                                     throws java.lang.NoSuchMethodException,
                                            java.lang.IllegalAccessException,
                                            java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a named method whose parameter type matches the object type.</p>

 <p>The behaviour of this method is less deterministic 
 than <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeExactMethod(Object object,String methodName,Object [] args,Class[] parameterTypes)</code></a>. 
 It loops through all methods with names that match
 and then executes the first it finds with compatable parameters.</p>

 <p>This method supports calls to methods taking primitive parameters 
 via passing in wrapping classes. So, for example, a <code>Boolean</code> class
 would match a <code>boolean</code> primitive.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd><dd><code>parameterTypes</code> - match these parameters - treat null as empty array</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
<a name="invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object)">
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<h4>invokeExactMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeExactMethod(java.lang.Object&nbsp;object,
                                 java.lang.String&nbsp;methodName,
                                 java.lang.Object&nbsp;arg)
                                          throws java.lang.NoSuchMethodException,
                                                 java.lang.IllegalAccessException,
                                                 java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a method whose parameter type matches exactly the object
 type.</p>

 <p> This is a convenient wrapper for
 <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[])"><code>invokeExactMethod(Object object,String methodName,Object [] args)</code></a>.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>arg</code> - use this argument</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
<a name="invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[])">
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<h4>invokeExactMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeExactMethod(java.lang.Object&nbsp;object,
                                 java.lang.String&nbsp;methodName,
                                 java.lang.Object[]&nbsp;args)
                                          throws java.lang.NoSuchMethodException,
                                                 java.lang.IllegalAccessException,
                                                 java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a method whose parameter types match exactly the object
 types.</p>

 <p> This uses reflection to invoke the method obtained from a call to
 <code>getAccessibleMethod()</code>.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
<a name="invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])">
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<h4>invokeExactMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeExactMethod(java.lang.Object&nbsp;object,
                                 java.lang.String&nbsp;methodName,
                                 java.lang.Object[]&nbsp;args,
                                 java.lang.Class[]&nbsp;parameterTypes)
                                          throws java.lang.NoSuchMethodException,
                                                 java.lang.IllegalAccessException,
                                                 java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a method whose parameter types match exactly the parameter
 types given.</p>

 <p>This uses reflection to invoke the method obtained from a call to
 <code>getAccessibleMethod()</code>.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>object</code> - invoke method on this object</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd><dd><code>parameterTypes</code> - match these parameters - treat null as empty array</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
<a name="invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])">
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<h4>invokeExactStaticMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeExactStaticMethod(java.lang.Class&nbsp;objectClass,
                                       java.lang.String&nbsp;methodName,
                                       java.lang.Object[]&nbsp;args,
                                       java.lang.Class[]&nbsp;parameterTypes)
                                                throws java.lang.NoSuchMethodException,
                                                       java.lang.IllegalAccessException,
                                                       java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a static method whose parameter types match exactly the parameter
 types given.</p>

 <p>This uses reflection to invoke the method obtained from a call to
 <a href="../../../../org/apache/poi/util/MethodUtils.html#getAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])"><code>getAccessibleMethod(Class, String, Class[])</code></a>.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd><dd><code>parameterTypes</code> - match these parameters - treat null as empty array</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
<a name="invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>invokeStaticMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeStaticMethod(java.lang.Class&nbsp;objectClass,
                                  java.lang.String&nbsp;methodName,
                                  java.lang.Object&nbsp;arg)
                                           throws java.lang.NoSuchMethodException,
                                                  java.lang.IllegalAccessException,
                                                  java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a named static method whose parameter type matches the object type.</p>

 <p>The behaviour of this method is less deterministic 
 than <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeExactMethod(Object, String, Object[], Class[])</code></a>. 
 It loops through all methods with names that match
 and then executes the first it finds with compatable parameters.</p>

 <p>This method supports calls to methods taking primitive parameters 
 via passing in wrapping classes. So, for example, a <code>Boolean</code> class
 would match a <code>boolean</code> primitive.</p>

 <p> This is a convenient wrapper for
 <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])"><code>invokeStaticMethod(Class objectClass,String methodName,Object [] args)</code></a>.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>arg</code> - use this argument</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
<a name="invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])">
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<h4>invokeStaticMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeStaticMethod(java.lang.Class&nbsp;objectClass,
                                  java.lang.String&nbsp;methodName,
                                  java.lang.Object[]&nbsp;args)
                                           throws java.lang.NoSuchMethodException,
                                                  java.lang.IllegalAccessException,
                                                  java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a named static method whose parameter type matches the object type.</p>

 <p>The behaviour of this method is less deterministic 
 than <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactMethod(java.lang.Object, java.lang.String, java.lang.Object[])"><code>invokeExactMethod(Object object,String methodName,Object [] args)</code></a>. 
 It loops through all methods with names that match
 and then executes the first it finds with compatable parameters.</p>

 <p>This method supports calls to methods taking primitive parameters 
 via passing in wrapping classes. So, for example, a <code>Boolean</code> class
 would match a <code>boolean</code> primitive.</p>

 <p> This is a convenient wrapper for
 <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeStaticMethod(Class objectClass,String methodName,Object [] args,Class[] parameterTypes)</code></a>.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
<a name="invokeStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])">
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<ul class="blockList">
<li class="blockList">
<h4>invokeStaticMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeStaticMethod(java.lang.Class&nbsp;objectClass,
                                  java.lang.String&nbsp;methodName,
                                  java.lang.Object[]&nbsp;args,
                                  java.lang.Class[]&nbsp;parameterTypes)
                                           throws java.lang.NoSuchMethodException,
                                                  java.lang.IllegalAccessException,
                                                  java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a named static method whose parameter type matches the object type.</p>

 <p>The behaviour of this method is less deterministic 
 than <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeExactStaticMethod(Class objectClass,String methodName,Object [] args,Class[] parameterTypes)</code></a>. 
 It loops through all methods with names that match
 and then executes the first it finds with compatable parameters.</p>

 <p>This method supports calls to methods taking primitive parameters 
 via passing in wrapping classes. So, for example, a <code>Boolean</code> class
 would match a <code>boolean</code> primitive.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd><dd><code>parameterTypes</code> - match these parameters - treat null as empty array</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
<a name="invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object)">
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<ul class="blockList">
<li class="blockList">
<h4>invokeExactStaticMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeExactStaticMethod(java.lang.Class&nbsp;objectClass,
                                       java.lang.String&nbsp;methodName,
                                       java.lang.Object&nbsp;arg)
                                                throws java.lang.NoSuchMethodException,
                                                       java.lang.IllegalAccessException,
                                                       java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a static method whose parameter type matches exactly the object
 type.</p>

 <p> This is a convenient wrapper for
 <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])"><code>invokeExactStaticMethod(Class objectClass,String methodName,Object [] args)</code></a>.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>arg</code> - use this argument</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
<a name="invokeExactStaticMethod(java.lang.Class, java.lang.String, java.lang.Object[])">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>invokeExactStaticMethod</h4>
<pre>public static&nbsp;java.lang.Object&nbsp;invokeExactStaticMethod(java.lang.Class&nbsp;objectClass,
                                       java.lang.String&nbsp;methodName,
                                       java.lang.Object[]&nbsp;args)
                                                throws java.lang.NoSuchMethodException,
                                                       java.lang.IllegalAccessException,
                                                       java.lang.reflect.InvocationTargetException</pre>
<div class="block"><p>Invoke a static method whose parameter types match exactly the object
 types.</p>

 <p> This uses reflection to invoke the method obtained from a call to
 <a href="../../../../org/apache/poi/util/MethodUtils.html#getAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])"><code>getAccessibleMethod(Class, String, Class[])</code></a>.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>objectClass</code> - invoke static method on this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>args</code> - use these arguments - treat null as empty array</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value returned by the invoked method</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.NoSuchMethodException</code> - if there is no such accessible method</dd>
<dd><code>java.lang.reflect.InvocationTargetException</code> - wraps an exception thrown by the
  method invoked</dd>
<dd><code>java.lang.IllegalAccessException</code> - if the requested method is not accessible
  via reflection</dd></dl>
</li>
</ul>
<a name="getAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getAccessibleMethod</h4>
<pre>public static&nbsp;java.lang.reflect.Method&nbsp;getAccessibleMethod(java.lang.Class&nbsp;clazz,
                                           java.lang.String&nbsp;methodName,
                                           java.lang.Class&nbsp;parameterType)</pre>
<div class="block"><p>Return an accessible method (that is, one that can be invoked via
 reflection) with given name and a single parameter.  If no such method
 can be found, return <code>null</code>.
 Basically, a convenience wrapper that constructs a <code>Class</code>
 array for you.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>clazz</code> - get method from this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>parameterType</code> - taking this type of parameter</dd>
<dt><span class="strong">Returns:</span></dt><dd>The accessible method</dd></dl>
</li>
</ul>
<a name="getAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getAccessibleMethod</h4>
<pre>public static&nbsp;java.lang.reflect.Method&nbsp;getAccessibleMethod(java.lang.Class&nbsp;clazz,
                                           java.lang.String&nbsp;methodName,
                                           java.lang.Class[]&nbsp;parameterTypes)</pre>
<div class="block"><p>Return an accessible method (that is, one that can be invoked via
 reflection) with given name and parameters.  If no such method
 can be found, return <code>null</code>.
 This is just a convenient wrapper for
 <a href="../../../../org/apache/poi/util/MethodUtils.html#getAccessibleMethod(java.lang.reflect.Method)"><code>getAccessibleMethod(Method method)</code></a>.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>clazz</code> - get method from this class</dd><dd><code>methodName</code> - get method with this name</dd><dd><code>parameterTypes</code> - with these parameters types</dd>
<dt><span class="strong">Returns:</span></dt><dd>The accessible method</dd></dl>
</li>
</ul>
<a name="getAccessibleMethod(java.lang.reflect.Method)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getAccessibleMethod</h4>
<pre>public static&nbsp;java.lang.reflect.Method&nbsp;getAccessibleMethod(java.lang.reflect.Method&nbsp;method)</pre>
<div class="block"><p>Return an accessible method (that is, one that can be invoked via
 reflection) that implements the specified Method.  If no such method
 can be found, return <code>null</code>.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>method</code> - The method that we wish to call</dd>
<dt><span class="strong">Returns:</span></dt><dd>The accessible method</dd></dl>
</li>
</ul>
<a name="getAccessibleMethod(java.lang.Class, java.lang.reflect.Method)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getAccessibleMethod</h4>
<pre>public static&nbsp;java.lang.reflect.Method&nbsp;getAccessibleMethod(java.lang.Class&nbsp;clazz,
                                           java.lang.reflect.Method&nbsp;method)</pre>
<div class="block"><p>Return an accessible method (that is, one that can be invoked via
 reflection) that implements the specified Method.  If no such method
 can be found, return <code>null</code>.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>clazz</code> - The class of the object</dd><dd><code>method</code> - The method that we wish to call</dd>
<dt><span class="strong">Returns:</span></dt><dd>The accessible method</dd></dl>
</li>
</ul>
<a name="getMatchingAccessibleMethod(java.lang.Class, java.lang.String, java.lang.Class[])">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getMatchingAccessibleMethod</h4>
<pre>public static&nbsp;java.lang.reflect.Method&nbsp;getMatchingAccessibleMethod(java.lang.Class&nbsp;clazz,
                                                   java.lang.String&nbsp;methodName,
                                                   java.lang.Class[]&nbsp;parameterTypes)</pre>
<div class="block"><p>Find an accessible method that matches the given name and has compatible parameters.
 Compatible parameters mean that every method parameter is assignable from 
 the given parameters.
 In other words, it finds a method with the given name 
 that will take the parameters given.<p>

 <p>This method is slightly undeterminstic since it loops 
 through methods names and return the first matching method.</p>
 
 <p>This method is used by 
 <a href="../../../../org/apache/poi/util/MethodUtils.html#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Class[])"><code>invokeMethod(Object object,String methodName,Object [] args,Class[] parameterTypes)</code></a>.

 <p>This method can match primitive parameter by passing in wrapper classes.
 For example, a <code>Boolean</code> will match a primitive <code>boolean</code>
 parameter.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>clazz</code> - find method in this class</dd><dd><code>methodName</code> - find method with this name</dd><dd><code>parameterTypes</code> - find method with compatible parameters</dd>
<dt><span class="strong">Returns:</span></dt><dd>The accessible method</dd></dl>
</li>
</ul>
<a name="getMatchingAccessibleConstructor(java.lang.Class, java.lang.Class[])">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getMatchingAccessibleConstructor</h4>
<pre>public static&nbsp;&lt;T&gt;&nbsp;java.lang.reflect.Constructor&lt;T&gt;&nbsp;getMatchingAccessibleConstructor(java.lang.Class&lt;T&gt;&nbsp;clazz,
                                                                    java.lang.Class[]&nbsp;parameterTypes)</pre>
</li>
</ul>
<a name="isAssignmentCompatible(java.lang.Class, java.lang.Class)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>isAssignmentCompatible</h4>
<pre>public static final&nbsp;boolean&nbsp;isAssignmentCompatible(java.lang.Class&nbsp;parameterType,
                             java.lang.Class&nbsp;parameterization)</pre>
<div class="block"><p>Determine whether a type can be used as a parameter in a method invocation.
 This method handles primitive conversions correctly.</p>

 <p>In order words, it will match a <code>Boolean</code> to a <code>boolean</code>,
 a <code>Long</code> to a <code>long</code>,
 a <code>Float</code> to a <code>float</code>,
 a <code>Integer</code> to a <code>int</code>,
 and a <code>Double</code> to a <code>double</code>.
 Now logic widening matches are allowed.
 For example, a <code>Long</code> will not match a <code>int</code>.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>parameterType</code> - the type of parameter accepted by the method</dd><dd><code>parameterization</code> - the type of parameter being tested</dd>
<dt><span class="strong">Returns:</span></dt><dd>true if the assignement is compatible.</dd></dl>
</li>
</ul>
<a name="getPrimitiveWrapper(java.lang.Class)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getPrimitiveWrapper</h4>
<pre>public static&nbsp;java.lang.Class&nbsp;getPrimitiveWrapper(java.lang.Class&nbsp;primitiveType)</pre>
<div class="block">Gets the wrapper object class for the given primitive type class.
 For example, passing <code>boolean.class</code> returns <code>Boolean.class</code></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>primitiveType</code> - the primitive type class for which a match is to be found</dd>
<dt><span class="strong">Returns:</span></dt><dd>the wrapper type associated with the given primitive 
 or null if no match is found</dd></dl>
</li>
</ul>
<a name="getPrimitiveType(java.lang.Class)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getPrimitiveType</h4>
<pre>public static&nbsp;java.lang.Class&nbsp;getPrimitiveType(java.lang.Class&nbsp;wrapperType)</pre>
<div class="block">Gets the class for the primitive type corresponding to the primitive wrapper class given.
 For example, an instance of <code>Boolean.class</code> returns a <code>boolean.class</code>.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>wrapperType</code> - the</dd>
<dt><span class="strong">Returns:</span></dt><dd>the primitive type class corresponding to the given wrapper class,
 null if no match is found</dd></dl>
</li>
</ul>
<a name="toNonPrimitiveClass(java.lang.Class)">
<!--   -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>toNonPrimitiveClass</h4>
<pre>public static&nbsp;java.lang.Class&nbsp;toNonPrimitiveClass(java.lang.Class&nbsp;clazz)</pre>
<div class="block">Find a non primitive representation for given primitive class.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>clazz</code> - the class to find a representation for, not null</dd>
<dt><span class="strong">Returns:</span></dt><dd>the original class if it not a primitive. Otherwise the wrapper class. Not null</dd></dl>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
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